package ch8;

public class Exercise8_4   {
    public static void main(String[] args) {
        double a;
        a = Math.abs(-50.12);
        System.out.println(a);
        a = Math.sqrt(81);
        System.out.println(a);
        a = Math.asin(0.75);
        System.out.println(a);
        a = Math.floor(-15.5);
        System.out.println(a);
    }
}
